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 MDAC Patch.

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blindman
Master Smack Fu Yak Hacker

2365 Posts

Posted - 2008-08-22 : 14:20:15
One of our vendors pointed us to this patch, insisting that we apply it to our server:
http://support.microsoft.com/kb/940569
The KB article seems to imply this only affects database with Merge Replication enabled, and the triggers associated with Merge Replication.
The vendor's app does not use Merge Replication.
However, the vendor claims that this fixed an issue in their application where data was being assigned to incorrect identity values.
They verified by running profiler before and after applying the patch. Before applying it, ADO was reading @@Identity, and after applying it ADO was reading scope_identity().
So is the article misleading? Is this an issue any of you have come across?

Boycott Beijing Olympics 2008

tkizer
Almighty SQL Goddess

38200 Posts

Posted - 2008-08-22 : 15:09:24
I don't understand how ADO could be reading @@IDENTITY and then SCOPE_IDENTITY(). Don't you specifically code it in the application?

Do the tables have triggers on them that also are inserting into a table with an identity column?

Tara Kizer
Microsoft MVP for Windows Server System - SQL Server
http://weblogs.sqlteam.com/tarad/

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